It seems like there's some competition in this space after an initial breakthrough in 2016. https://newatlas.com/rechargeable-zinc-manganese-battery-pnnl/42930

It seems like there's some competition in this space after an initial breakthrough in 2016. https://newatlas.com/rechargeable-zinc-manganese-battery-pnnl/42930/ https://newatlas.com/rechargeable-zinc-manganese-battery-pnn... http://enerpoly.com/technology/ http://enerpoly.com/technology/